Fox Lake, Montana has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 30.1 °F (low) to 56.4 °F (high). Annual precipitation averages 14.3 Inches. Fox Lake is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4.5 °F | 26.1 °F | 0.34 in. |
| February | 8.7 °F | 30.7 °F | 0.23 in. |
| March | 18.9 °F | 42.8 °F | 0.4 in. |
| April | 29.6 °F | 57.0 °F | 1.1 in. |
| May | 39.9 °F | 67.8 °F | 2.27 in. |
| June | 49.9 °F | 77.0 °F | 2.8 in. |
| July | 55.2 °F | 85.8 °F | 2.59 in. |
| August | 53.2 °F | 85.4 °F | 1.39 in. |
| September | 43.0 °F | 74.7 °F | 1.42 in. |
| October | 30.9 °F | 58.3 °F | 1.0 in. |
| November | 18.6 °F | 41.8 °F | 0.39 in. |
| December | 8.6 °F | 29.8 °F | 0.35 in. |
| Annual | 30.1 °F | 56.4 °F | 14.28 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4a : -30°F to -25°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |